ATB80144I The APPC Conversational Timer monitor is not available.

Detecting Module:

Explanation
 A TP called the LU 6.2 Allocate or Set_TimeOut_Value
service.  The APPC Conversational Timer Monitor is not available,
due to prior internal errors in the system.

System action
 The system returns a Product_Specific_Error (decimal
20) return code to the caller of the specified conversation service.

System programmer response
 Go to the RRS administration panels
and resolve the in-doubt UR identified by urid. For more information
on how to use these panels, see z/OS MVS Programming: Resource Recovery. 

Programmer response
 Contact the System Programmer.

Source
 APPC/MVS

Detecting Module:

ATBVSAL, ATBVSST